How does the iphone dual card know which card has received the text message?

Iphonesxs and iPhonexsmax support dual cards. If it is difficult to judge which card received the message, how to check which card sent the message? To share a skill, please see the details below.

1. First, we click information to enter the SMS interface, as shown in the figure below.

2. In the short message interface list, you can see that all the short messages are the same, and I don't know which card received them, as shown below.

3. Open the message that you want to know which card you received, enter the detailed information, and click the arrow behind the number, as shown in the figure below.

4. Pop up the selection menu and click Info, as shown in the figure below.

When you enter the information interface, you can see the people who are using it. Explain that the label of this card is an individual, as shown in the figure below.

6. Drop down the status bar at the top to see which card the personal tag belongs to, as shown in the figure below.